GB1212734A - Improvements in or relating to underwater echo-sounding - Google Patents
Improvements in or relating to underwater echo-soundingInfo
- Publication number
- GB1212734A GB1212734A GB223268A GB223268A GB1212734A GB 1212734 A GB1212734 A GB 1212734A GB 223268 A GB223268 A GB 223268A GB 223268 A GB223268 A GB 223268A GB 1212734 A GB1212734 A GB 1212734A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frequency
- sounding
- frequencies
- stage
- period
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000002592 echocardiography Methods 0.000 abstract 4
- 230000005540 biological transmission Effects 0.000 abstract 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
- G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
- G01S15/102—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics
- G01S15/108—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics using more than one pulse per sonar period
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
- G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
- G01S15/18—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein range gates are used
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/87—Combinations of sonar systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/42—Modifications of amplifiers to extend the bandwidth
- H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
- H03F1/50—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers with tubes only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
- H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
- H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
- H03K3/284—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator monostable
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Power Engineering (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Joining Of Glass To Other Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEE0033218 | 1967-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1212734A true GB1212734A (en) | 1970-11-18 |
Family
ID=39103872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB223268A Expired GB1212734A (en) | 1967-01-14 | 1968-01-15 | Improvements in or relating to underwater echo-sounding |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS539104B1 (OSRAM) |
| DE (1) | DE1566867B2 (OSRAM) |
| FR (1) | FR1569615A (OSRAM) |
| GB (1) | GB1212734A (OSRAM) |
| NO (1) | NO122517B (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2920330C2 (de) * | 1979-05-19 | 1987-01-02 | Fried. Krupp Gmbh, 4300 Essen | Echolot mit zwei Sendefrequenzen |
| JPS5937459A (ja) * | 1982-08-27 | 1984-02-29 | Automob Antipollut & Saf Res Center | 超音波による物体検出装置 |
| JP6438321B2 (ja) * | 2015-02-23 | 2018-12-12 | 古野電気株式会社 | レーダ装置 |
-
1967
- 1967-01-14 DE DE19671566867 patent/DE1566867B2/de not_active Withdrawn
- 1967-09-21 NO NO16982167A patent/NO122517B/no unknown
- 1967-12-06 FR FR1569615D patent/FR1569615A/fr not_active Expired
-
1968
- 1968-01-15 GB GB223268A patent/GB1212734A/en not_active Expired
-
1976
- 1976-12-23 JP JP15561876A patent/JPS539104B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR1569615A (OSRAM) | 1969-06-06 |
| JPS539104B1 (OSRAM) | 1978-04-03 |
| DE1566867B2 (de) | 1970-10-29 |
| DE1566867A1 (de) | 1970-04-30 |
| NO122517B (OSRAM) | 1971-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |